Document endorsing control circuitry and method for minimizing p

Details Document endorsing control circuitry and method for minimizing p Document endorsing control circuitry and method for minimizing p

1976-02-06

1977-05-17

Eickholt, E. H.

Printing

Rolling contact machines

Rotary

101245, 324163, 101426, 361 3, B41F 1324

Patent

active

040234894

ABSTRACT:
Electrical control circuitry for driving a rotational print head to initiate an endorsement on a single side of paper checks traveling past the print head at a relatively constant velocity, including a bistable device operatively connected to control a ramp generator for accelerating the print head at a relatively constant rate from a stopped position to a present printing velocity and then decelerating the print head to a rest state at the same relatively constant rate after completion of document endorsement. The circuitry responds to closely-spaced documents entering the endorser by interrupting the head during its deceleration mode and maintaining the head at its interrupted velocity for a certain time delay in order to reaccelerate the head back to printing velocity at the same relatively constant rate in time for proper endorsement.

REFERENCES:
patent: 3335661 (1967-08-01), Moschetti et al.
patent: 3438323 (1969-04-01), Smitzer et al.
patent: 3527965 (1970-09-01), Hawkins et al.
patent: 3537393 (1970-11-01), Hegi
patent: 3659524 (1972-05-01), Beery et al.
patent: 3734011 (1973-05-01), Williams
patent: 3742299 (1973-06-01), Gane
patent: 3764888 (1973-10-01), Anderson
patent: 3820712 (1974-06-01), Oswald
patent: 3830154 (1974-08-01), Hegi et al.

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